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    <title>Document</title>
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<body>
    <script>
        function test (a,b,c,...args){
            console.log(args)
            let a = arguments //a类数组
            console.log(Array.from(a))
            // call/apply改变this指向的方法
            console.log(Array.prototype.slice.call(a))
            console.log(Array.prototype.slice.apply(a))
            console.log([...a])
        }
        const test1 =()=>{}
        test(1,23,4,5,6,7,8,9,0)
    
    </script>
    
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